After Clark, 1994

<==o Paracrocodylomorpha Parrish, 1993
   |-- †Gracilisuchus stipanicicorum
   `--+--o †Poposauridae
      |  |-- †Poposaurus gracilis
      |  |-- †Postosuchus kirkpatricki
      |  |-- †Teratosaurus suevicus
      |  |-- †Bromsgroveia walkeri
      |  |?- ?†Sinosaurus sp.
      |  |-- †Sillosuchus longicervix Alcober & Parrish, 1997
      |  |-- †Chatterjeea elegans
      |  `-- †Lythrosaurus langstoni
      `--+-- †Erpetosuchus granti [Erpetosuchidae (somtime including also Dyoplax arenaceus and Parringtonia gracilis??)]
         `--o Crocodylomorpha
            |?-o †Trialestia
            |  `--o †Trialestidae
            |     `-- †Trialestes romeri
            `--+-- †Sphenosuchia sensu Clark, Sues & Berman, 2000 (sphenosuchians, whippet-crocodiles; sfenosukkit; juoksijakrokotiilit)
               `-- Crocodyliformes Hay, 1930 sensu Clark, 1994

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